SUB_COLOR          13 src/lib/blend.c                 SUB_COLOR(R_VAL(dest), r, R_VAL(dest)); \
SUB_COLOR          14 src/lib/blend.c                 SUB_COLOR(G_VAL(dest), g, G_VAL(dest)); \
SUB_COLOR          15 src/lib/blend.c                 SUB_COLOR(B_VAL(dest), b, B_VAL(dest));
SUB_COLOR          16 src/lib/span.c                 SUB_COLOR(R_VAL(dest), r, R_VAL(dest)); \
SUB_COLOR          17 src/lib/span.c                 SUB_COLOR(G_VAL(dest), g, G_VAL(dest)); \
SUB_COLOR          18 src/lib/span.c                 SUB_COLOR(B_VAL(dest), b, B_VAL(dest)); \